Resolved questionswhat does "exploited on behalf of"mean?

Iribe's drawing had lost nothing of its power, fueled by the same corrosive spirit and now, suddenly, exploited on behalf of the most blatant chauvinism. On every page, the sight of France and its grandeur maligned by the world—a Phrygian-capped personification placed in the dock before a sneering tribunal—was enough to rend the soul. But who were the judges? Chamberlain, Hitler, Mussolini, and Roosevelt! Throughout the years leading up to World War II Europe s statesmen were constantly on the move, reshuffling alliances and appeasing the arch-villain Hitler.Meanwhile, France stiffened her back and strengthened her military in preparation for the coming onslaught. Hopes rose and fell, but nothing could dim the brilliant social life of Paris. As for fribe's poor threatened France in the guise of Marianne—this bare-breasted victim half-buried under sod shoveled by a gravedigger named Daladier—she bore an unmistakable resemblance tonone other than Chanel.